s3 performance measurement

AWS replied that their measurement is based on requests/second, and the default limit is 100 PUT/LIST/DELETE requests/second and 300 GET requests/second. Just estimate our requests/second and don't worry about IOPS or other disk throughput issue for them. They will handle the capacity by their SDS. Growth expansion is detailed documented as below.

http://docs.aws.amazon.com/AmazonS3/latest/dev/request-rate-perf-considerations.html

If we need more than default or rapid growth rate, just need to send another support ticket to them.